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Re: rand() and srand() broken?

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Re: rand() and srand() broken?

Subject: Re: rand() and srand() broken?
From: Amanda Walker <email@hidden>
Date: Wed, 25 Nov 2009 15:18:46 -0500

On Nov 25, 2009, at 1:40 PM, Derek Gaston wrote:

Heh - I knew this would come up. The issue is that we need to be able to reliably _regenerate_ different random numbers over and over.... but on a grand scale.

Then you should use your own PRNG with the statistical properties you need. srand() and rand() come with very few guarantees.

--Amanda

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References:  
  >rand() and srand() broken? (From: Derek Gaston <email@hidden>)
  >Re: rand() and srand() broken? (From: Jason Foreman <email@hidden>)
  >Re: rand() and srand() broken? (From: Derek Gaston <email@hidden>)




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